Dr. Igor Markoff
J. Carrol Naish
Anthony Lawrence
Ralph Morgan
Maxine
Tala Birell
Patricia Lawrence
Wanda McKay
Bob Blake
Terry Frost
Giant
Glenn Strange
Butler
Alexander Pollard
Dr. Adams
Sam Flint
Screenplay
Pierre Gendron
Original Story
Larry Williams
Director
Sam Newfield
Martin Mooney
Music
Albert Glasser
Editor
Holbrook N. Todd
Producer
Sigmund Neufeld
Director of Photography
Robert E. Cline
Sound Engineer
Ferrol Redd
Set Dresser
Harry Reif
Set Designer
Paul Palmentola
Makeup Artist
Maurice Seiderman